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Samsung Galaxy A72 vs Samsung Galaxy A51 vs Samsung Galaxy S20

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

6.7 inches
6.5 inches
6.2 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 393 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
3200 x 1440 pixels, 20:9 ratio, 566 PPI

Technology:

Super AMOLED
Super AMOLED
Dynamic AMOLED

Refresh rate:

90Hz
60Hz
120Hz (@1080p)

Screen-to-body:

84.74 %
87.37 %
88.59 %

Features:

Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 720G SM7125
Samsung Exynos 9611
Qualcomm Snapdragon 865 SM8250

Processor:

Octa-core, 2300 MHz, Kryo 465, 64-bit, 8 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 2840 MHz, Kryo 585, 64-bit, 7 nm

GPU:

Adreno 618
Mali-G72 MP3
Adreno 650

RAM:

6GB
4GB LPDDR4
12GB LPDDR5

Internal storage:

128GB (UFS)
128GB, available to use: 105.9 GB
128GB (UFS 3.0)

Storage expansion:

microSDXC up to 1024 GB
microSDXC up to 512 GB
microSDXC up to 1000 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11), One UI 3.0 UI
Android (11, 10), Samsung One UI
Android (11, 10), Samsung One UI

Battery

Capacity:

5000 mAh
4000 mAh
4000 mAh

Type:

Not user replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

Qualcomm Quick Charge 2.0
Fast charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Max charge speed:

Wired: 25.0W
Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Quad camera
Quad camera
Triple camera

Main camera:

64 MP (OIS, PDAF)
48 MP (PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 1.8 μm

Second camera:

8 MP (Telephoto, OIS, Autofocus)
12 MP (Ultra-wide)
64 MP (Telephoto, OIS, PDAF)

Specifications:

Optical zoom: 3.0x; Aperture size: F2.4; Pixel size: 1.0 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Aperture size: F2.0; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

5 MP (Ultra-wide)
5 MP (Macro)
12 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.2; Pixel size: 1.12 μm
Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.4 μm

Fourth camera:

5 MP (Macro)
5 MP (Depth information)

Specifications:

Aperture size: F2.4; Pixel size: 1.12 μm
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

Continuous autofocus, Picture-taking during video recording
Hyperlapse, EIS
OIS, HDR, EIS

Front:

32 MP
32 MP (HDR)
10 MP (PDAF, HDR)

Video capture:

3840x2160 (4K UHD) (30 fps)
1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.50 x 3.05 x (165 x 77.4 x 8.4 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
5.97 x 2.72 x 0.31 inches (151.7 x 69.1 x 7.9 mm)

Weight:

7.16 oz (203.0 g)
6.07 oz (172.0 g)
5.78 oz (163.0 g)

Materials:

Back: Plastic
Back: Plastic; Frame: Plastic
Back: Glass (Corning Gorilla Glass 6); Frame: Aluminum

Materials & Colors:

Black, Blue, White, Violet

Resistance:

Water, Dust; IP67
Water, Dust; IP68

Biometrics:

2D Face unlock, In-screen fingerprint
2D Face unlock, In-screen fingerprint
2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Cloud blue, Cosmic grey, Cloud pink, Cosmic white

Cellular

5G:

n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Shared with microSD

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Dolby Atmos
Dolby Atmos
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band, 802.1x; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1

Features:

Charging, OTG
Charging, OTG
Charging, Headphones port, OTG

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Pedometer, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other:

NFC
NFC, ANT+
NFC, ANT+

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jan 26, 2021
Nov 28, 2019
Jan 24, 2020

FCC ID value:

A3LSMA725M
A3LSMA515FN
A3LSMG981U

Measured SAR:

Head:

0.29 W/kg
0.89 W/kg
1.07 W/kg

Body:

0.30 W/kg
1.18 W/kg
1.03 W/kg

Simultaneous Transmission:

1.56 W/kg
1.56 W/kg
1.59 W/kg

Wireless Router:

0.59 W/kg
1.12 W/kg
1.25 W/kg

Phablet:

2.76 W/kg
3.99 W/kg

EU SAR:

Head:

0.23 W/kg

Body:

1.17 W/kg

Buyers information

Price:

€ 449
$ 400
$ 1000

User Manual:

This is the official Samsu​ng Galaxy A51 User Guide in English provided from the manufacturer.
This is the official Samsu​ng Galaxy S20 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Mar 17, 2021
Dec 12, 2019
Feb 11, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless